Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Donna M Timchak, MD

Individual provider Pediatric Cardiology Physician · NPI 1689641623

Dr. Donna M Timchak, MD is a Pediatric Cardiology Physician in Morristown, New Jersey. Works from 5 locations. Licensed in New Jersey and New York.

Licensed in
NJ, NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

100 Madison Ave
Morristown, NJ 07960-6136
Phone: (973) 971-5996
Fax: (973) 290-7979
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 55 Madison Ave Fl 1, Morristown, NJ 07960-7337 — (973) 971-7520
  • 55 Madison Ave Fl 2, Morristown, NJ 07960-7337 — (973) 971-5996
  • 99 Beauvoir Ave, Summit, NJ 07901-3533 — (973) 971-5996
  • 11 Overlook Rd Ste 230, Summit, NJ 07901-3580 — (973) 971-5996

Specialties & licences

Pediatric Cardiology Physician (primary) Taxonomy 2080P0202X · Licence 25MA05469800 (NJ)
Pediatric Cardiology Physician Taxonomy 2080P0202X · Licence 167609 (NY)

Record details

NPI number1689641623
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 8, 2006
Last updated in NPPESJune 3, 2026
Certification dateJune 3, 2026
Mailing addressPo Box 416457, Boston, MA 02241-6457

Other providers in Morristown